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self.assertEquals(len(self.out), 0)
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def test_startLoggingTwice(self):
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There are some obscure error conditions that can occur when logging is
425
started twice. See http://twistedmatrix.com/trac/ticket/3289 for more
428
# The bug is particular to the way that the t.p.log 'global' function
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# handle stdout. If we use our own stream, the error doesn't occur. If
430
# we use our own LogPublisher, the error doesn't occur.
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sys.stdout = StringIO()
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self.addCleanup(setattr, sys, 'stdout', sys.__stdout__)
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def showError(eventDict):
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if eventDict['isError']:
436
sys.__stdout__.write(eventDict['failure'].getTraceback())
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log.addObserver(showError)
439
self.addCleanup(log.removeObserver, showError)
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observer = log.startLogging(sys.stdout)
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self.addCleanup(observer.stop)
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# At this point, we expect that sys.stdout is a StdioOnnaStick object.
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self.assertIsInstance(sys.stdout, log.StdioOnnaStick)
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fakeStdout = sys.stdout
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observer = log.startLogging(sys.stdout)
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self.assertIdentical(sys.stdout, fakeStdout)
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class PythonLoggingObserverTestCase(unittest.TestCase):
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Test the bridge with python logging module.
added
removed
twisted/test/test_log.py
